MT-RSR | 61572 | Rubber Ring for Wheel Balancer Pressure Cup | 6" Diameter, Rim Protection Product Description The MT-RSR 61572 is a durable 6-inch rubber ring, essential for protecting your valuable rims during wheel balancing. Designed to fit pressure cups on a wide range of Hunter wheel balancers, this replacement part prevents damage and scuffing, ensuring your wheels remain in pristine condition. Key Features: Fits 6" diameter pressure cups, providing a secure and protective fit. Effectively prevents marring and scratching of delicate alloy and custom wheels. Direct replacement for Hunter Part Number 106-157-2, ensuring compatibility. Compatible with various Hunter wheel balancer models, including DSP and GSP Road Force machines. Also compatible with SWT Series: SWT33, SWT32, SWT31, SWT30, SWT23, SWT11, SWT10, SWT03, SWT02, SWT01, SWT22, SWT21, SWT20, SWT13, SWT12, and SWT00. Alternate Part Number: WB1061572. Hunter Part Number: 175-392-1.